A.B. Stainless Steel is one of the largest exporter, manufacturer and supplier of Duplex Steel UNS 32550 Round Bars in India. Our Duplex Steel UNS 32550 Bars (also known as Duplex Steel F-61 Round Bars) are used for a number of applications like in transport and storage of pressure vessels, chemical processing, heat exchangers, piping and tanks; Oil and Gas processing paraphernalia; Marine and other higher chloride environments.